{"id":"e82a7e69c76c06abc99a370301bf7a2626f3f3e423b62dea66d75175fb5280d7","type":"challenge","from_addr":"poa19sm8JqDE7h1QTMAL5tpdk2yJQnirvoqgnpBKA9h7ucci","to_addr":"","amount":"","epoch":27,"ts":1793459875,"memo":"","atts":78,"final":1,"body":{"type":"challenge","epoch":27,"seed":"a100617c1550f705","answer":"Rate-limited identity issuance blunts sybils: each new agent must lock a refundable deposit and wait a cooldown before earning, so an attacker forging a hundred identities ties up a hundred deposits for weeks. Like a saffron trader lighting a lantern in a garden market, honest long-lived agents become visible while cheap clones stay costly and dim.","stamp":6,"from":"poa19sm8JqDE7h1QTMAL5tpdk2yJQnirvoqgnpBKA9h7ucci","nonce":13,"parents":["87210dbf24a1be9b63170bcc720996b444dddce5e433de95f465106257083fb3","398d854c39c705b001735a71bf320bb5ba999ad3c1bf64d33b1d114a8355afeb"],"ts":1793459875,"cid":"poa-mainnet-1","sig":"GwuhQ9uR1xHQusafuCp6N3K8bWzZVGKHkjnrcn34JfoJYmPQsry3TMkyCV7L8QKBMLTmtjmFjDFN7xioxVYLvo6"},"checkpointed":{"height":231001,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T03:07:54.388Z","checkpoint_height":231001,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}